Use the Fundamental Identities to Find the Value of the Trigonometric

question 366

Multiple Choice

Use the fundamental identities to find the value of the trigonometric function.
-Find $\cos \theta$ if $\tan \theta = 5$ and $\sin \theta < 0$ .

• A) \(\frac { 1 } { 5 }\)
• B) \(- \frac { \sqrt { 26 } } { 26 }\)
• C) \(- 26\)
• D) \(- \frac { \sqrt { 26 } } { 5 }\)

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